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Updated: June 16, 2025
Water slightly acidulated with sulphuric, nitric, or muriatic acid will probably be the best, but it is hoped that phosphoric, acetic, and lactic acids will prove equally good. Lemon juice and vinegar are merely acetates and citrates of potash, and are not as good. It seems that the offensive smells noticed in the English Houses of Parliament last session have been traced to their source.
Acetic acid produced hardly any effect on his sand; and even hydrochloric, nitric and sulphuric acids, diluted as in the Pharmacopoeia, produced less effect than did the acids in the intestines of the worms. Mr. A. A. Julien has lately collected all the extant information about the acids generated in humus, which, according to some chemists, amount to more than a dozen different kinds.
But if an anterior gland which contains only small concretions is placed in acetic acid and afterwards dissected, or if sections are made of such a gland without being treated with acid, lamellae like those in the posterior glands and coated with cellular matter could be plainly seen, together with a multitude of free calciferous cells readily soluble in acetic acid.
To-day it is no longer possible to oppose the theory I then advanced. One of my former friends succeeded in making certain combinations of acetic acid, crystallised by artificial means.
The production of acetic acid from alcohol is a simple oxidation. The equation C2H6O + O2 = C2H4O2 + H2O shows the chemical change that occurs. This oxidation can be brought about by purely chemical means. While alcohol will not readily unite with oxygen under common conditions, if the alcohol is allowed to pass over a bit of platinum sponge the union readily occurs and acetic acid results.
The power of cure possessed by acetic acid is incredible, except to those who have seen it exercised, and its persistent use would, we are use, save many lives, if people would only try it. We would also advise the four-ply flannel bandage, with two plies damp and two dry. This round the body has a wonderfully soothing effect.
We do not spell acetic acid, alcohol, sugar, starch, animal fat, vegetable oils, glycerine, and the like, with the same letters; yet nature compounds them all of the same atoms of carbon, hydrogen, and oxygen, but in different proportions and in different orders. Chemistry is all-potent.
The solution is allowed to settle for some time, the clear liquid siphoned off, concentrated to one-third its volume and acetic acid added in slight excess. It is then concentrated to a sirup, and a large excess of 95 per cent. alcohol added to it.
Many phenomena, formerly inexplicable, are satisfactorily explained by these recently discovered properties of porous bodies. The metamorphosis of alcohol into acetic acid, by the process known as the quick vinegar manufacture, depends upon principles, at a knowledge of which we have arrived by a careful study of these properties. My dear Sir,
When the precipitate is dried and heated on platinum-foil, it disperses as white vapour with slight detonation. Sulphate of lime in excess gives a white precipitate, soluble in nitric or hydrochloric acid, but insoluble in oxalic, tartaric, acetic, or any vegetable acid.
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